The angle of depression of a ship viewed at a particular instant from the top of...
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The angle of depression of a ship viewed at a particular instant from the top of a 75m vertical cliff is 30°. Find the distance of the ship from the base of the cliff at this instant. The ship is sailing away from the cliff at constant speed and 1 minute later its angle of depression from the top of the cliff is 20º. Determine the speed of the ship in km/h The angle of depression of a ship viewed at a particular instant from the top of a 75m vertical cliff is 30°. Find the distance of the ship from the base of the cliff at this instant. The ship is sailing away from the cliff at constant speed and 1 minute later its angle of depression from the top of the cliff is 20º. Determine the speed of the ship in km/h
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